757.14% is the change from 21 to 180
Calculation steps:
[( 180 - 21 ) ÷ 21] x 100 = 757.14%
Formula
Percentage change = [(180 - 21) / 21] x 100
Subtract the new number by the original number
180 - 21 = 159
159 ÷ 21 = 7.571428571428571
7.571428571428571 x 100 = 757.14%